2078279679

素因数分解:

$3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{179}}^1\times {\mathrm{4157}}^1$

素因数の和:4372

約数の個数: 48

約数和(自身を含む): 3412886400

約数和(自身を除く): 1334606721

約数列:

[1, 3, 7, 19, 21, 49, 57, 133, 147, 179, 399, 537, 931, 1253, 2793, 3401, 3759, 4157, 8771, 10203, 12471, 23807, 26313, 29099, 71421, 78983, 87297, 166649, 203693, 236949, 499947, 552881, 611079, 744103, 1658643, 2232309, 3870167, 5208721, 11610501, 14137957, 15626163, 36461047, 42413871, 98965699, 109383141, 296897097, 692759893, 2078279679]

約数ペア:

[(1, 2078279679), (3, 692759893), (7, 296897097), (19, 109383141), (21, 98965699), (49, 42413871), (57, 36461047), (133, 15626163), (147, 14137957), (179, 11610501), (399, 5208721), (537, 3870167), (931, 2232309), (1253, 1658643), (2793, 744103), (3401, 611079), (3759, 552881), (4157, 499947), (8771, 236949), (10203, 203693), (12471, 166649), (23807, 87297), (26313, 78983), (29099, 71421)]